Howard Hughes Holdings Inc. will join the S&P SmallCap 600 index, replacing Arcosa Inc. effective before the opening of trading on Wednesday, October 28, 2026. S&P Dow Jones Indices announced the change following the acquisition of Arcosa by CRH plc, a constituent of the S&P 500. The acquisition deal closed on October 23, 2026.
The index adjustment involves the addition of Howard Hughes Holdings, a real estate company trading under the ticker HHH on the New York Stock Exchange. Simultaneously, Arcosa, an industrials company trading under the ticker ACA, will be removed from the index. These changes are set to take place prior to the open of trading on the effective date.
S&P Dow Jones Indices states that it is the largest global resource for index-based concepts, data, and research. The firm manages iconic financial market indicators, including the S&P 500 and the Dow Jones Industrial Average. According to the company, more assets are invested in products based on its indices than in products based on indices from any other provider. S&P Dow Jones Indices is a division of S&P Global, which provides intelligence for individuals, companies, and governments.